Home / 156,741.12-235,111.68-38,411.44

Finding the Fourth Proportional to 156,741.12, 235,111.68 and 38,411.44

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Solution

The fourth proportional to 156,741.12, 235,111.68 and 38,411.44 is: 57,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.12 : 235,111.68 = 38,411.44 : x
  2. Step 2: Convert to fraction form
    156,741.12/235,111.68 = 38,411.44/x
  3. Step 3: Cross multiply
    156,741.12x = 235,111.68 × 38,411.44
  4. Step 4: Simplify right side
    156,741.12x = 9,030,978,189.62
  5. Step 5: Solve for x
    x = 9,030,978,189.62/156,741.12
  6. Step 6: Final answer
    x = 57,617.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.